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发明名称
AUS EINER IN EIN BETT AUFGEROLLTEN ZUNGE BESTEHENDES SIEGEL UND VORRICHTUNG ZUR HERSTELLUNG DESSELBEN.
摘要
申请公布号
DE1649860(U)
申请公布日期
1953.01.29
申请号
DE195200N2426U
申请日期
1952.10.10
申请人
N. V. METAALWARENFABRIEK EN HANDELMAATSCHAPPIJ PERFRA
发明人
A. WEICKMANN;DR.-ING. F. WEICKMANN;DR.-ING. A. WEICKMANN
分类号
主分类号
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